Dental tray rack



FIG. 1 is a perspective view of a dental tray rack showing my new design;

FIG. 2 is a side elevational view of the rack of FIG. 1, the opposite side thereof having an identical appearance;

FIG. 3 is a rear elevational view of the rack of FIG. 1;

FIG. 4 is a front elevational view of the rack of FIG. 1;

FIG. 5 is a top plan view of the rack of FIG. 1; and

FIG. 6 is a bottom plan view of the rack of FIG. 1. 

The ornamental design for a dental tray rack, as shown. 